Recreational Pressures in the Summer Months on a Nature Reserve on the Yorkshire Coast, England
作者： Michael B. Usher , Michael Pitt , George de Boer
DOI: 10.1017/S0376892900003908
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sci-hub.se 参考文章(3)
Michael B. Usher, Ann E. Taylor, Deborah Darlington, A survey of visitors' reactions on two naturalists' trust nature reserves in Yorkshire, England Biological Conservation. ,vol. 2, pp. 285- 291 ,(1970) , 10.1016/0006-3207(70)90017-0
David Snow, British Ornithologists' Union, The status of birds in Britain and Ireland ,(1971)
M. B. Usher, Biological Management and Conservation Journal of Ecology. ,vol. 62, pp. 352- ,(1973) , 10.1007/978-1-4899-3410-9